This MetaTrader 5 tool acts as a discretion helper for manual traders to simplify order execution. It automates trade entries by applying calculated risk percentages and setting predefined stop loss and take profit values in pips. The utility features integrated trailing stop functionality, allowing users to define spe
Utility · MT4 · MT5
Position Sizer
This risk management tool for MetaTrader 4 and 5 calculates optimal lot sizes based on user-defined risk parameters, account balance, and currency.
GitHub stars594
Forks219
Last update8 days ago14 Sep 2026
LicenceApache-2.0
Latest release3.16b8 days ago
Overview
Position Sizer provides a graphical user interface for setting entry, stop loss, and take profit levels visually on the chart. The expert advisor accounts for commissions, swaps, and margin requirements to ensure precise calculations before execution. Users can open trades directly through the panel, which also displays risk-to-reward ratios and potential profit or loss in account currency.
- Visual position size calculation on chart
- Trade execution from graphical interface
- Commission and swap impact analysis
- Dynamic stop loss and take profit labels
- Margin and portfolio risk monitoring
Details
Author
EarnForex on GitHub
Type
Utility
Platform
MetaTrader 4 (MQL4) and MetaTrader 5 (MQL5)
Markets
Any symbol
Timeframes
Any timeframe
Risk profile
No grid, martingale or hedging logic was found in its code or README. That says nothing about how it performs: backtest it first.
EA files
Topics
risktradecurrencycalculationsmql4mql5forextradingmetatradermt4
Input parameters
Read from Position Sizer.mq5. Defaults are the author's; change them in the EA's Inputs tab.
| Name | Type | Default | Description |
|---|---|---|---|
____ | string | INPUT_DESCRIPTION_____ |
How to install it
- 1Download the sourceUse "Download source (.zip)" above, or clone EarnForex/PositionSizer from GitHub, and unzip it.
- 2Open the data folderIn MetaTrader choose File, then Open Data Folder, and go to MQL4/Experts or MQL5/Experts.
- 3Copy the filesCopy the .mq4 / .mq5 file into Experts, and any .mqh files into the Include folder the code expects.
- 4Compile in MetaEditorOpen the file in MetaEditor and press Compile. Fix any missing includes the compiler reports.
- 5Test before you tradeRun it in the Strategy Tester, then attach it to a demo chart and allow algorithmic trading.
Third-party code. ForexR did not write, test or endorse this EA, and the summary above was generated automatically from its README and code. ForexR lists only repositories with readable source code and never hosts files. Read the code, backtest it and use a demo account first; automated trading can lose money quickly.
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